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grinder

/ˈɡɹaɪndə/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about grinder at Wordnik → Where our words come from →

  1. A large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States.
  2. Grinding tooth with a broad crown; located behind the premolars.
  3. Machinery that processes materials by grinding or crushing.

Origin

From Middle English grinder, grindere, from Old English grindere (“one or that which grinds; grinder”), equivalent to grind + -er.

From Wiktionary, via Kaikki.org (CC BY-SA)